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-rw-r--r--net/xdp/xsk.c6
-rw-r--r--net/xdp/xsk_buff_pool.c13
2 files changed, 11 insertions, 8 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 1d1e0cd51a95..c72b4dba2878 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -522,13 +522,17 @@ static int xsk_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len)
bool need_wait = !(m->msg_flags & MSG_DONTWAIT);
struct sock *sk = sock->sk;
struct xdp_sock *xs = xdp_sk(sk);
+ struct xsk_buff_pool *pool;
if (unlikely(!xsk_is_bound(xs)))
return -ENXIO;
if (unlikely(need_wait))
return -EOPNOTSUPP;
- return __xsk_sendmsg(sk);
+ pool = xs->pool;
+ if (pool->cached_need_wakeup & XDP_WAKEUP_TX)
+ return __xsk_sendmsg(sk);
+ return 0;
}
static int xsk_recvmsg(struct socket *sock, struct msghdr *m, size_t len, int flags)
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index 8a3bf4e1318e..96bb607853ad 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -144,14 +144,13 @@ static int __xp_assign_dev(struct xsk_buff_pool *pool,
if (err)
return err;
- if (flags & XDP_USE_NEED_WAKEUP) {
+ if (flags & XDP_USE_NEED_WAKEUP)
pool->uses_need_wakeup = true;
- /* Tx needs to be explicitly woken up the first time.
- * Also for supporting drivers that do not implement this
- * feature. They will always have to call sendto().
- */
- pool->cached_need_wakeup = XDP_WAKEUP_TX;
- }
+ /* Tx needs to be explicitly woken up the first time. Also
+ * for supporting drivers that do not implement this
+ * feature. They will always have to call sendto() or poll().
+ */
+ pool->cached_need_wakeup = XDP_WAKEUP_TX;
dev_hold(netdev);